THE FARM SHOP 45 



The same twist drills up to three-eighths-inch will 

 do for iron as well as wood. However, if much drilling 

 is done, then round shank twist drills to fit the drill 

 chuck will work better. Farmers seldom drill holes in 

 iron larger than one-half inch. For particular work, 

 to get the exact size, reamers are used to finish the 



Figure 61. Hack Saw. One handle and a dozen blades. The 

 frame shouH be stiff enough either to push or pull the saw without 

 binding. The teeth may point either way to suit the work in hand. 



rr 



Figure 62. Powerful Bolt Cutter. It is intended for factory use. 



holes after drilling. Screw holes in iron are counter- 

 sunk in the drill-press. 



For small work, twist drills with square shanks for 

 brace use should range in sizes from one thirty-second 

 of an inch up to one-quarter inch, then every one- 

 sixteenth inch up to one-half inch. 



For boring screw holes in wood the quickest work is 

 done with pod bits. Not many sizes are needed, but 

 they are cheap, so that a half dozen, ranging from one- 

 sixteenth to one-quarter inch or thereabouts, will be 

 found very useful. Pod bits belong to the wood de- 



